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Using alternative package indexes

While uv uses the official Python Package Index (PyPI) by default, it also supports alternative package indexes. Most alternative indexes require various forms of authentication, which requires some initial setup.

Azure Artifacts

uv can install packages from Azure DevOps Artifacts. Authenticate to a feed using a Personal Access Token (PAT) or interactively using the keyring package.

Using a PAT

If there is a PAT available (eg $(System.AccessToken) in an Azure pipeline), credentials can be provided via the "Basic" HTTP authentication scheme. Include the PAT in the password field of the URL. A username must be included as well, but can be any string.

# With the token stored in the `ADO_PAT` environment variable
export UV_EXTRA_INDEX_URL=https://dummy:$ADO_PAT@pkgs.dev.azure.com/{organisation}/{project}/_packaging/{feedName}/pypi/simple/

Using `keyring`

If there is not a PAT available, authenticate to Artifacts using the keyring package with the artifacts-keyring plugin. Because these two packages are required to authenticate to Azure Artifacts, they must be pre-installed from a source other than Artifacts.

The artifacts-keyring plugin wraps the Azure Artifacts Credential Provider tool. The credential provider supports a few different authentication modes including interactive login — see the tool's documentation for information on configuration.

uv only supports using the keyring package in subprocess mode. The keyring executable must be in the PATH, i.e., installed globally or in the active environment. The keyring CLI requires a username in the URL, so the index URL must include the default username VssSessionToken.

# Pre-install keyring and the Artifacts plugin from the public PyPI
uv tool install keyring --with artifacts-keyring

# Enable keyring authentication
export UV_KEYRING_PROVIDER=subprocess

# Configure the index URL with the username
export UV_EXTRA_INDEX_URL=https://VssSessionToken@pkgs.dev.azure.com/{organisation}/{project}/_packaging/{feedName}/pypi/simple/

Other indexes

uv is also known to work with JFrog's Artifactory, the Google Cloud Artifact Registry, and AWS Code Artifact.

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